chemistry test by Pro geniusstudets

Chemistry – Test 4

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Posted: 13 Jul, 2025

🧪 Forces Chemistry Quiz – Test 4
Welcome to the 4th quiz in our Chemistry series, designed especially for students preparing for entry tests of the Pakistan Army, Navy, and Air Force. This quiz is crafted to test your core chemistry knowledge required in initial academic screening. You’ll face 50 MCQs from past papers and key topics like bonding, chemical reactions, atomic structure, and organic compounds—frequently seen in forces-related exams.
📌 Why You Should Attempt This Test:

  • Practice MCQs from actual entry test patterns

  • Improve time-bound answering skills

  • Strengthen weak chemistry concepts under exam pressure
    📊 Quiz Overview:

  • ✅ Total Questions: 50

  • ⏱️ Time Limit: 18 minutes (approx. 22 seconds per question)

  • 🎯 Passing Criteria: 50%

  • 🔐 Password Protected: Enter to begin
    💡 Tip: Use this quiz as a self-check tool before real academic tests or ISSB exams.
    👉 Ready to challenge yourself? Attempt now and assess your preparation level!

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Chemistry Test 4

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1 / 50

In which region do the limiting lines of a series lie?

2 / 50

What is the structural shape of sodium chloride (NaCl)?

3 / 50

Ammonium chloride is ________.

4 / 50

In 32.5g of CH₄, the percentage of carbon is ________.

5 / 50

Which solid has a simple molecular lattice structure with low lattice energy?

6 / 50

The structure of benzene is ?

7 / 50

What is the term for benzene with an NH2 (amino) group attached?

8 / 50

In which region of the electromagnetic spectrum does the Lyman series lie?

9 / 50

1,3 hydroxy benzene called ?

10 / 50

METHANOL and ETHANOL can be distinguished by..... ?

11 / 50

NMR spectroscopy is used for ?

12 / 50

In NH3 there is........ ?

13 / 50

METHANOL [CH3OH] is...... as compared to water [H2O] which is basic in nature.

14 / 50

Acidified potassium permanganate (KMnO4) is delocalized by ?

15 / 50

Which protein more abundant in nature?

16 / 50

Fats and oils are composed of molecules known as ?

17 / 50

Cannizzaro reaction is given by aldehydes with ________.

18 / 50

When bromine reacts with ethylene to produce 1,2- dibromoethane, what is the appropriate description of
this reaction?

19 / 50

The other name for 1, 2, 3-trihydroxybenzene is ?

20 / 50

What is the pH of a solution with 0.0001 M HCl?

21 / 50

What is the electronic configuration of Ni+2?

22 / 50

What happens when a Grignard reagent reacts with CO2?

23 / 50

The electronic configuration of Cr³⁺ is...

24 / 50

What is the primary type of bond present in proteins?

25 / 50

Which molecule or structure does not contain three atoms bonded at an angle between 109° and 110°?

26 / 50

What is the color and type of compound known as octyl acetate?

27 / 50

How many structural isomers are present for trichloro propane C3H5Cl3 ?

28 / 50

How many Faradays of electricity are required to remove one mole of AlCl3?

29 / 50

A hydrogen atom is about 1836 times heavier than an ?

30 / 50

When SiCl4 reacts with H2O, what type of reaction occurs?

31 / 50

The least hindrance around a C–C bond is found in...?

32 / 50

How many types of amino acids form the proteins in the body?

33 / 50

The cold water passes over the surface of the collector and is heated up to ?

34 / 50

According to molecular orbital theory, what is the bond order of Li2+?

35 / 50

The total number of bonds in CaC2 is ?

36 / 50

The substance which loses hydroxide ion in solution is called...?

37 / 50

As the reaction proceeds, what happens to the rate of reaction?

38 / 50

The graph of Boyle's law is an...

39 / 50

Which element reacts with water, leading to the removal of oxygen?

40 / 50

Ozonolysis of alkenes can give...

41 / 50

An amino acid consists of:

42 / 50

What is the geometry of an H2S molecule?

43 / 50

Which transition metal atom in ground state has unpaired electrons?

44 / 50

Ethanoic acid is present in ?

45 / 50

alcohol gives........on oxidation ?

46 / 50

The radioactive isotope of hydrogen is called... ?

47 / 50

Compound X, when heated with a mild oxidizing agent, produces a product that reacts with HCN to form 2-hydroxybutanenitrile. What is compound X?

48 / 50

What value is the pH of a 10^-10 M NaOH solution closely related to?

49 / 50

2ice cubes join to form........ ?

50 / 50

What is the term for the ratio of volumetric stress to strain?

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